WASHINGTON, DC - DECEMBER 01: U2 lead singer and co-founder of ONE and (RED) Bono participates in a round-table discussion with others leaders on World AIDS Day at the Jack Morton Auditorium on the ... more

WASHINGTON, DC - DECEMBER 01: U2 lead singer and co-founder of ONE and (RED) Bono participates in a round-table discussion with others leaders on World AIDS Day at the Jack Morton Auditorium on the campus of George Washington University December 1, 2011 in Washington, DC. Focusing on "the beginning of the end of AIDS," the event was sponsored by HIV/AIDS awareness organizations The ONE Campaign and (RED). Speakers also included former Presidents George W. Bush and Bill Clinton (via satellite link), Sen. Marco Rubio (R-FL), Rep. Barbara Lee (R-CA) and Tanzanian President Jakaya Mrisho Kikwete (via satellite from Tanzania). (Photo by Chip Somodevilla/Getty Images) less